This paper uses recent advances in dynamic panel econometrics to examine the impact of highway infrastructure on aggregate county-level employment using data for all 100 North Carolina counties from 1985 through 1997.
Piyapong Jiwattanakulpaisarn
Recent Publications
New Jersey Micromobility Guide (2025)
The New Jersey Micromobility Guide serves as a resource for micromobility users across the state, collecting and summarizing the laws and safety best practices that can make riders safer. Micromobility, which includes e-bikes, e-scooters, and other low-speed devices,...
Funding Opportunities and Programmatic Insights for Advancing Shared Use Paths, Trails, and Greenways in New Jersey
Trail networks enhance community well-being, providing accessible options for walking, biking, and rolling while promoting sustainability and economic vitality. In New Jersey, investing in trails and shared-use paths supports mobility, safety, and environmental goals,...
Inroads to Innovation: New Jersey’s Technology Transfer Program
From labor-saving inspection drones to safety-enhancing techniques for bridge repair and preservation, a multipronged New Jersey Department of Transportation technology transfer initiative is helping to advance innovation throughout the agency and state. The goal:...
Disparities in ridehailing travel times for accessing non-work destinations
We contribute to the literature on new mobilities by measuring spatial disparities in travel times for accessing essential non-work destinations via ridehailing. We focused on healthcare, restaurants, and grocery destinations in Chicago. Data from Chicago ridehailing...